C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Changed cam, having major issues...

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Old Apr 6, 2015 | 02:21 PM
  #41  
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From: anchorage ak
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Originally Posted by augiedoggy
I think he may have wiped a lobe too.... I never soaked my new lifters before breakin with my lunati 262 cam but I did disconnect my coil and fuel and turned my engine over in increments a few times till oil came out of the rocker lubrication holes before starting... the op never said anything about running the engine for breaking or procedures used to break in the cam? did he use a high zinc or substitute oil? my guess is the mechanic may be unfamiliar with flat tappet setup and requirements.

BTW the voodoo 262 has plenty of lope... not as sure about the comp cam version.
when I did the top end of the l48, I ran the xe262h and added significant power over stock and had a lope at idle not a radical cam sound at idle but enough to tell that it wasn't the stock cam, I could have ran it with the stock heads but would have needed to change the valve springs.
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Old Apr 7, 2015 | 07:58 AM
  #42  
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Originally Posted by bluedawg
when I did the top end of the l48, I ran the xe262h and added significant power over stock and had a lope at idle not a radical cam sound at idle but enough to tell that it wasn't the stock cam, I could have ran it with the stock heads but would have needed to change the valve springs.
After just comparing the lunati and comp "262" cams I can see my lunati cam seems to have much more lift than the comp cam... the durations at .050 and advertised are close though...
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Old Apr 7, 2015 | 12:01 PM
  #43  
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XE cams are notorious for wiping lobes. It is a very aggressive lobe profile for a flat tappet cam.
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Old Apr 9, 2015 | 06:03 PM
  #44  
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Looks like the OP disappeared.
Would be nice if he came back and told us what was the final outcome.
A lot of people offered advice.
Seems like the correct thing to do.
Peace
Bman
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